狠毒 hěndú vicious Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 那个人阴险狠毒,总是背地里算计别人。 nà gè rén yīnxiǎn hěndú, zǒngshì bèidìli suànji biéren. That person is insidious and ruthless, always plotting against others behind their backs. Source: Dong Chinese Dictionary